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Old 02-24-2012, 06:52 PM   #16
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Potentially dangerous wiring in old house


Quote:
Originally Posted by ryanb22 View Post
Wtf? Under what circumstances would I feel a shock? I'm not sure what toure talking about.

Anyways, I was going to replace the receptacle with a GFCI receptacle, but I read that you shoudnt use a surge protector with them because they rely solely on ground.
If your ground wire voltage is caused by capacitors in surge protectors you will probably feel a shock if you touch this conductor and are grounded at the same time because the capacitors can supply enough current to shock, like in my oscilloscope example.
If your ground wire voltage is caused by a phantom voltage you probably will not feel a shock if you touch this conductor and are grounded at the same time because the capacitance that generates phantom voltages cannot supply much current, probably less than 1 mA.

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